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8WSA / 8WSB

General information

CE certification

Yes

UR listed

Yes (8WSA3, 8WSA4, 8WSB3, 8WSB4)

UL file number

E360421

Electrical characteristics

DC bus voltage on the ACOPOSmicro

60 VDCFor safety reasons, set the supply voltage of the B&R ACOPOSmicro drive system to max. 60 VDC.

Type of connection - Pre-assembled hybrid motor cable

i-tec springtec circular connector (Intercontec)

Support

Automation Studio

V4.4.6 and higher

Motion system (mapp Motion, ACP10)

V5.04 and higherImportant: With older versions, the supply voltage is not checked for a maximum value of 60 VDC and incorrect settings may occur.

ACOPOSmicro hardware upgrade

V2.3.0.0 and higher

Thermal properties

Insulation class per EN 60034-1

B

Methods of cooling per EN 60034-6 (IC code)

Self-cooling, free circulation surface cooling (IC4A0A0, IC400)

Thermal motor protection

No

Mechanical properties

Roller bearing, dynamic load rating and nominal service life

Based on DIN ISO 281

Oil seal, standard motor:

Oil seal, hygienic design with IP69K:

No oil seal

PTFE 92 oil seal

Key and keyway per DIN 6885-1

Dimensions deviate from DIN 6885-1

Radial runout of shaft end:

Concentricity of shaft end to mounting flange:

Axial runout of shaft end to mounting flange:

Max. 15 µm / Typ. <10 µm

Max. 35 µm / Typ. <20 µm

Max. 20 µm / Typ. <10 µm

Surface, standard motor:

Surface, hygienic design with IP69K:

Plastic cover, standard motor:

Stainless steel RZ 6.3

Stainless steel Ra <0.8

Surface per VDI 3400 Ref. 33

Output shaft, standard motor:

Output shaft, hygienic design with IP69K:

Steel

Stainless steel

Lubrication, standard motor:

Lubrication, hygienic design with IP69K:

Standard

Food-safe

Operating conditions

Rating class, operating mode per EN 60034-1

S1 - Continuous operation

Ambient temperature during operation

0°C to +40°C

Reduction of nominal and stall current as well as nominal and stall torque at temperatures above 20°C

fT ... Operating factor for the influence of ambient temperature

tA ... Ambient temperature (°C)

Temperature change rate

0.5 °C/min

Relative humidity during operation

5 to 95%, relative, non-condensing

1 to 29 g/m³, absolute

Reduction of nominal and stall current as well as nominal and stall torque at installation elevations starting at 1,000 m above sea level

fH ... Operating factor for the influence of installation elevation

Maximum installation elevation

2000 m Requirements that go beyond this must be arranged with B&R.

Max. winding temperature

120°C

EN 60034-5 protection (IP code)

IP54, IP66/67, IP69K

Type of construction and mounting arrangement per EN 60034-7 (IM code)

Horizontal (IM3001)

Vertical, motor hangs on the machine (IM3011)

Vertical, motor stands on the machine (IM3031)

Max. permissible vibration stress (55-2000 Hz) Based on sinusoidal oscillations in stationary applications, the limit value is based on DIN EN 60721-3-3:1995 and DIN EN 60068-2-6:2007.

10 m/s2

Max. permissible shock load (11 ms) For the maximum permissible shock load (short-term acceleration), the limit values are based on DIN EN 60721-3-3:1995 and DIN EN 60068-2-27:2009.

Axial 10 m/s2

Radial 150 m/s2

Storage and transport conditions

Storage temperature

5 to +40°C

Relative humidity during storage

5 to 95%, non-condensing

Transport temperature

5 to +40°C

Relative humidity during transport

5 to 95%, non-condensing

All nominal data is based on a supply voltage of 60 VDC of the B&R ACOPOSmicro drive system.

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